National Crane N50 Articulating Crane Service Manual

An articulating crane like the N50 is a knuckle-boom unit that sits on a truck or base and folds down for transport. On a job site it picks, places and positions loads where a straight boom can't reach easily. When one goes down, the person reaching for a service manual is usually a technician trying to get it repaired in-house and back on the rental line without waiting on an outside shop.

What this manual helps you do

• Trace hydraulic system faults through the circuit before you start swapping components
• Follow removal and rebuild procedures for the slewing system and the boom and extensions
• Check stabilizers for correct operation after repairs and confirm they hold as they should
• Diagnose problems in the controls and safety system and the electrical system
• Adjust and verify settings under maintenance and adjustment so the crane goes back out properly set up

Who this is for

Rental fleet mechanics, independent repair shops and crane service technicians who work on National Cranes in their own bay. It's also useful if a used N50 came in with no paperwork and you want the machine documented before it goes to work.

FAQ

Q: What do I receive and how is it organised?

A: You get one PDF file of 140 pages in English. The title on the manual is "N50 Series Operation and Service Manual," publication number CTRL056-01.

Q: Which machine does it fit?

A: It is written for the National Crane N50 articulating crane. Keep the publication number CTRL056-01 handy to match it against your paperwork.

Q: How does it fit the repair work I'm doing?

A: A service manual like this is where you'd look for procedures, adjustments and troubleshooting steps for the mounting and base, hydraulic system and other main groups. You can print the pages you need and take them to the crane.

Keep it on file for the N50 in your fleet and you'll have a written reference ready the next time one needs work.

Click here to view the preview (PDF)

Table of Contents:

General outline of the sections covered in a service manual of this type. Actual chapter numbering and section names vary by model and edition.

• Foreword and safety information
• General information and specifications
• Mounting and base
• Hydraulic system
• Slewing system
• Boom and extensions
• Stabilizers
• Controls and safety system
• Electrical system
• Maintenance and adjustment
• Troubleshooting
• Service data

National Crane PDF Manuals

All Crane Manuals